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a transmissible disease of horses, cattle, pigs, and dogs. Piroplasmosis is characterized by elevated body temperature, anemia, jaundice, and hemoglobinuria. The causative agents are Piroplasma, which parasitize and destroy the red blood cells of animals. The carriers of Piroplasma are ixodine ticks. Animals afflicted with the disease acquire infection immunity and remain parasite carriers for four months to two or three years. Diagnosis is made from clinical symptoms, epizootic data, and the results of laboratory tests. Chemotherapeutic preparations (Trypan Blue, Trypaflavine, Acaprin, berenil) are used in treatment. For a discussion of preventive measures see.